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AISI 440C Stainless Steel vs. S32654 Stainless Steel

Both AISI 440C stainless steel and S32654 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 440C stainless steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 2.0 to 14
45
Fatigue Strength, MPa 260 to 840
450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
82
Shear Strength, MPa 430 to 1120
590
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
850
Tensile Strength: Yield (Proof), MPa 450 to 1900
490

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 22
11
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
34
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
6.4
Embodied Energy, MJ/kg 31
87
Embodied Water, L/kg 120
220

Common Calculations

PREN (Pitting Resistance) 18
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 71
29
Strength to Weight: Bending, points 23 to 46
25
Thermal Diffusivity, mm2/s 6.0
2.9
Thermal Shock Resistance, points 26 to 71
19

Alloy Composition

Carbon (C), % 1.0 to 1.2
0 to 0.020
Chromium (Cr), % 16 to 18
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 78 to 83.1
38.3 to 45.3
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.75
7.0 to 8.0
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.0050